CLEANSTART-2026-LK49181

    Dashboard / Vulnerabilities / CLEANSTART-2026-LK49181

    CLEANSTART-2026-LK49181

    Published: 31 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2026-78667

    Summary: When parsing a Range header containing a large number of small ranges, FileServer(FS), ServeContent, and ServeFile(FS) can consume an excessive amount of CPU

    Details: CVE-2026-78667 affects multiple packages. When parsing a Range header containing a large number of small ranges, FileServer(FS), ServeContent, and ServeFile(FS) can consume an excessive amount of CPU. See references for individual vulnerability details.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-LK49181.json, https://osv.dev/vulnerability/CVE-2026-78667, https://nvd.nist.gov/vuln/detail/CVE-2026-78667

    Affected packages

    Package

    Name: prometheus-alertmanager

    Purl: pkg:apk/cleanstart/prometheus-alertmanager

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.31.1-r0

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CLEANSTART-2026-LK49181 | CVE-DB